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November 1, 1989AJP Heart and Circulatory Physiology

Microcirculatory responses in cat sartorius muscle to hemorrhagic hypotension

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Why the study?

What are the microcirculatory responses in cat sartorius muscle during hemorrhagic hypotension?

Population

Exteriorized cat sartorius muscles

Design

Preclinical

Follow-up

4 hours

Authors

IFIvo P. Torres FilhoUnited States Army Institute of Surgical ResearchMBM. A. BoegeholdWest Virginia UniversityEBEliete BouskelaUniversidade do Estado do Rio de Janeiro

Discussion

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Implication

Highlights heterogeneous arteriolar responses during shock; leaves open translation to human resuscitation strategies.

Structured PICO

What are the microcirculatory responses in cat sartorius muscle during hemorrhagic hypotension?

P
Population
Exteriorized cat sartorius muscles
I
Intervention
Hemorrhagic hypotension at 60 mmHg for 4 hours
O
Outcome
Changes in diameter and red blood cell velocity of microcirculatory vessels, and vascular resistancesurrogate

During hemorrhagic hypotension, the rise in muscle vascular resistance occurs despite significant dilation of small arterioles, likely due to constriction of larger arteries and capillary blockage.

Cite This Study

Filho et al. (1989) studied this question.

synapsesocial.com/papers/6a96dbce24193d3974b2dcf3https://doi.org/10.1152/ajpheart.1989.257.5.h1647
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Fluid transfer from skeletal muscle to blood during hemorrhage Importance of beta adrenergic vascular mechanisms1978 · 42 citations
  2. 2Reactions within Consecutive Vascular Sections of the Small Intestine of the Cat during Prolonged Hypotension1972 · 104 citations
  3. 3Correlative analysis of microcirculatory and cellular metabolic events in skeletal muscle during hemorrhagic shock1980 · 45 citations
  4. 4The Effects of Vasoconstrictor Fibre Stimulation on Consecutive Vascular Sections of Cat Small Intestine during Hemorrhagic Hypotension1973 · 22 citations
  5. 5Impairment during marked hypotension of the plasma volume control in hemorrhage1982 · 11 citations